@book { Lasafuerasdelespaol,
    title = "Las afueras del español ",
    subtitle = "El viaje de una lengua con escala en tres continentes ",
    author = "David {Fernández Vitores}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19566",
    url = "https://www.peterlang.com/document/1217702"
}